US6817793B2ExpiredUtilityA1
Media handling device and methods
Assignee: HEWLETT PACKARD DEVELOPMENT COPriority: Jan 17, 2003Filed: Jan 17, 2003Granted: Nov 16, 2004
Est. expiryJan 17, 2023(expired)· nominal 20-yr term from priority
B65H 2403/723B65H 2404/1521B65H 2301/423245B65H 3/0684B65H 3/0615
64
PatentIndex Score
8
Cited by
15
References
3
Claims
Abstract
Disclosed herein is a media handling device for handling sheets of media contained in a stack.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1. A method of picking media from a stack, said method comprising:
providing a pick assembly;
providing a transmission;
providing a clutch assembly disposed between said pick assembly and said transmission;
rotating said transmission;
activating said clutch assembly to drivingly engage said transmission to said pick assembly;
providing a return spring;
storing energy in said return spring during said rotating said transmission;
stopping said rotating of said transmission; and
after said stopping using said return spring to move said pick assembly out of contact with said stack.
2. The method of claim 1 wherein said providing said clutch assembly comprises providing a wrap spring defining a diameter; and
wherein said activating said clutch assembly comprises reducing said wrap spring diameter.
3. The method of claim 1 and further comprising:
after said activating said clutch, moving said pick assembly into contact with said stack.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.